Wallpaper roll calculator
Estimate whole wallpaper rolls with pattern repeat, trimming and separate wall widths.
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How to use this tool
- Enter one wall per line as width in metres, comma, height in metres.
- Enter the dimensions on your actual roll label and any straight-match repeat.
- Read the whole-roll requirement and cut length for each wall.
Things to know
- Up to 50 walls. Assumes separate full-height drops for every wall; doors/windows are not deducted.
- Straight-match and plain paper only. Drop-match, combining leftovers across different cut lengths, and difficult corners are not modelled.
- Processing and results stay on this device. Inputs are bounded; no work is saved between visits.
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